
#pragma once
#include <optix.h>
#include <optixu/optixu_math_namespace.h>
#include "helpers.h"
#include "path_tracer.h"
#include "materials.h"
#include "random.h"
#include "sunsky.h"
#include "materials.h"









rtDeclareVariable(PerRayData_pathtrace_shadow, current_prd_shadow, rtPayload, );
rtDeclareVariable(float3, shadow_attenuation, , );
rtDeclareVariable(float,        importance_cutoff, , )= 0.0025f;
